package com.listen.common;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.DefaultHostnameVerifier;
import org.apache.http.conn.util.PublicSuffixMatcher;
import org.apache.http.conn.util.PublicSuffixMatcherLoader;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

public class HttpClientUtil3 {
	
	
	CloseableHttpClient httpClient = null;
	
	private RequestConfig requestConfig = RequestConfig.custom()  
            .setSocketTimeout(15000)  
            .setConnectTimeout(15000)  
            .setConnectionRequestTimeout(15000)
            .build();
	
	//静态内部类的单例
	private static class SingletonHolder {  
		private static final HttpClientUtil3 INSTANCE = new HttpClientUtil3();  
	}    
    
    private HttpClientUtil3(){}
    
    public static final HttpClientUtil3 getInstance() {  
    	return SingletonHolder.INSTANCE;  
	}
	
    /** 
     * 发送 post请求 
     * @param httpUrl 地址 
     */  
    public CloseableHttpResponse sendHttpPost(String httpUrl,String proxyInfo) {  
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost    
        return sendHttpPost(httpPost,proxyInfo);  
    }  
      
    /** 
     * 发送 post请求 
     * @param httpUrl 地址 
     */
    public String sendHttpPostStr(String httpUrl,String proxyInfo) {  
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost    
        return sendHttpPostStr(httpPost,proxyInfo);  
    }
    
    /** 
     * 发送 post请求 
     * @param httpUrl 地址 
     * @param params 参数(格式:key1=value1&key2=value2) 
     */  
    public CloseableHttpResponse sendHttpPost(HttpPost httpPost, String params,String proxyInfo) {  
        try {  
            //设置参数  
            StringEntity stringEntity = new StringEntity(params, "UTF-8");  
            //stringEntity.setContentType("application/json; charset=UTF-8");  
            httpPost.setEntity(stringEntity);  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
        return sendHttpPost(httpPost,proxyInfo);  
    }  
      
    /** 
     * 发送 post请求 
     * @param httpUrl 地址 
     * @param maps 参数 
     */  
    public CloseableHttpResponse sendHttpPost(Map<String, String> maps,HttpPost httpPost,String proxyInfo) {  
        // 创建参数队列    
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();  
        for (String key : maps.keySet()) {  
            nameValuePairs.add(new BasicNameValuePair(key, maps.get(key)));  
        }  
        try {  
            httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
        return sendHttpPost(httpPost,proxyInfo);  
    }
    
    /** 
     * 发送 post请求 
     * @param httpUrl 地址 
     * @param maps 参数 
     */  
    public int sendPost(Map<String, String> maps,HttpPost httpPost,String proxyInfo) {  
        // 创建参数队列    
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();  
        for (String key : maps.keySet()){
            nameValuePairs.add(new BasicNameValuePair(key, maps.get(key)));  
        }  
        try {
            httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
        return sendHttpPost(httpPost,proxyInfo).getStatusLine().getStatusCode();  
    }
      
      
    /** 
     * 发送 post请求（带文件） 
     * @param httpUrl 地址 
     * @param maps 参数 
     * @param fileLists 附件 
     */  
    public CloseableHttpResponse sendHttpPost(String httpUrl, Map<String, String> maps, 
    		List<File> fileLists,String proxyInfo) {  
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost    
        MultipartEntityBuilder meBuilder = MultipartEntityBuilder.create();  
        for (String key : maps.keySet()) {  
            meBuilder.addPart(key, new StringBody(maps.get(key), ContentType.TEXT_PLAIN));  
        }  
        for(File file : fileLists) {  
            FileBody fileBody = new FileBody(file);  
            meBuilder.addPart("files", fileBody);  
        }  
        HttpEntity reqEntity = meBuilder.build();  
        httpPost.setEntity(reqEntity);  
        return sendHttpPost(httpPost,proxyInfo);  
    }  
      
    /** 
     * 发送Post请求 
     * @param httpPost 
     * @return 
     */  
    public CloseableHttpResponse sendHttpPost(HttpPost httpPost,String proxyInfo) {
    	setRequestConfig(proxyInfo);
        try {  
            // 创建默认的httpClient实例.  
            httpClient = HttpClients.createDefault();  
            httpPost.setConfig(requestConfig);  
            // 执行请求  
            CloseableHttpResponse response = httpClient.execute(httpPost);
            
            return response;
            
        } catch (Exception e) {  
            e.printStackTrace();  
        } 
        return null;
    }
    
    /** 
     * 发送Post请求 
     * @param httpPost 
     * @return 
     */  
    public String sendHttpPostStr(HttpPost httpPost,String proxyInfo) {
        CloseableHttpClient httpClient = null;  
        CloseableHttpResponse response = null;  
        HttpEntity entity = null;  
        String responseContent = null;  
        try {
        	setRequestConfig(proxyInfo);
            // 创建默认的httpClient实例.  
            httpClient = HttpClients.createDefault();  
            httpPost.setConfig(requestConfig);  
            // 执行请求  
            response = httpClient.execute(httpPost);  
            entity = response.getEntity();  
            responseContent = EntityUtils.toString(entity, "UTF-8");
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally { 
            try {  
                // 关闭连接,释放资源  
                if (response != null) {  
                    response.close();  
                }  
                if (httpClient != null) {  
                    httpClient.close();  
                }
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
        return responseContent;  
        //return response;
    }
  
    /** 
     * 发送 get请求 
     * @param httpUrl 
     */  
    public String sendHttpGet(String httpUrl,String proxyInfo) {  
    	HttpGet httpGet = new HttpGet(httpUrl);
        return sendHttpGetStr(httpGet,proxyInfo);  
    }  
    
    /** 
     * 发送 get请求 
     * @param httpUrl 
     */  
    public CloseableHttpResponse sendHttpGetResponse(String httpUrl,String proxyInfo) {  
    	HttpGet httpGet = new HttpGet(httpUrl);
        return sendHttpGet(httpGet,proxyInfo);  
    }
    
    /** 
     * 发送 get请求Https 
     * @param httpUrl 
     */  
    public String sendHttpsGet(String httpUrl,String proxyInfo) {  
        HttpGet httpGet = new HttpGet(httpUrl);// 创建get请求  
        return sendHttpsGet(httpGet,proxyInfo);  
    }  
      
    /** 
     * 发送Get请求 
     * @param httpPost 
     * @return 
     */  
    public CloseableHttpResponse sendHttpGet(HttpGet httpGet,String proxyInfo) {
    	CloseableHttpResponse response = null;
        try {  
        	setRequestConfig(proxyInfo);
            // 创建默认的httpClient实例.  
            httpClient = HttpClients.createDefault();
            httpGet.setConfig(requestConfig);  
            // 执行请求  
            response = httpClient.execute(httpGet);
            return response;
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
        return null;
    }
    
    public void closeResource(CloseableHttpResponse response){
    	try {
    		if(response !=null)
    			response.close();
			if(httpClient != null)
				httpClient.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
    }
    
    /** 
     * 发送Get请求 
     * @param httpPost 
     * @return 
     */  
    public String sendHttpGetStr(HttpGet httpGet,String proxyInfo) {
        CloseableHttpClient httpClient = null;  
        CloseableHttpResponse response = null;  
        HttpEntity entity = null;  
        String responseContent = null;  
        try {  
        	setRequestConfig(proxyInfo);
            // 创建默认的httpClient实例.  
            httpClient = HttpClients.createDefault();  
            httpGet.setConfig(requestConfig);  
            // 执行请求  
            response = httpClient.execute(httpGet);  
            entity = response.getEntity();  
            responseContent = EntityUtils.toString(entity, "UTF-8");  
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                // 关闭连接,释放资源  
                if (response != null) {  
                    response.close();  
                }  
                if (httpClient != null) {  
                    httpClient.close();  
                }  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
        return responseContent;  
    }
      
    /** 
     * 发送Get请求Https 
     * @param httpPost 
     * @return 
     */  
    private String sendHttpsGet(HttpGet httpGet,String proxyInfo) {  
        CloseableHttpClient httpClient = null;  
        CloseableHttpResponse response = null;  
        HttpEntity entity = null;  
        String responseContent = null;  
        try {  
        	setRequestConfig(proxyInfo);
            // 创建默认的httpClient实例.  
            PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(new URL(httpGet.getURI().toString()));  
            DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(publicSuffixMatcher);  
            httpClient = HttpClients.custom().setSSLHostnameVerifier(hostnameVerifier).build();  
            httpGet.setConfig(requestConfig);  
            // 执行请求  
            response = httpClient.execute(httpGet);  
            entity = response.getEntity();  
            responseContent = EntityUtils.toString(entity, "UTF-8");  
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                // 关闭连接,释放资源  
                if (response != null) {  
                    response.close();  
                }  
                if (httpClient != null) {  
                    httpClient.close();  
                }  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
        return responseContent;  
    } 
    
    //设置动态IP代理
    public void setRequestConfig(String proxyInfo){
    	if(proxyInfo !=null && !"".equals(proxyInfo)){
    		String proxyIp = proxyInfo.split(":")[0];
    		int proxyPort = Integer.parseInt(proxyInfo.split(":")[1]);
    		HttpHost proxy = new HttpHost(proxyIp,proxyPort);
        	requestConfig = RequestConfig.custom().setSocketTimeout(2000)  
                    .setConnectTimeout(2000)  
                    .setConnectionRequestTimeout(2000)
                    .setProxy(proxy).build();
    	}
    	System.out.println(requestConfig);
    }
}
